[单选题]
How many joules of energy are u.q 2 0nbhz)8 kp;cbeypsed by a 1.lvbwp 5lkd2 1vkk;0mx6t* i;p0 hp motor that runs for 1.0 hr? (1 hp = 7vk*1p0tkib d2wkp;6v5 x; lml46 W)
A. $3.6 \times 10^{3} \; J$
B. $2.7 \times 10^{6} \; J$
C. $4.5 \times 10^{4} \; J$
D. $4.8 \; J$
